﻿<!DOCTYPE html>
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
    <title>Calculator</title>
</head>
<body>
    <form>
        <table border="1">
            <tr class="row1">
        <td colspan="4">
            <textarea dir="rtl">123</textarea>
        </td>
           </tr>

            <tr class="row2">
                <td>
                    <input type="button" value="1" />
                </td>

                 <td>
                    <input type="button" value="2" />
                </td>

                 <td>
                    <input type="button" value="3" />
                </td>

                 <td>
                    <input type="button" value="+" />
                </td>
            </tr>

            <tr class="row3">
               <td>
                    <input type="button" value="4" />
                </td>

                 <td>
                    <input type="button" value="5" />
                </td>

                 <td>
                    <input type="button" value="6" />
                </td>

                 <td>
                    <input type="button" value="-" />
                </td>
            </tr>
            <tr class="row4">
                <td>
                    <input type="button" value="7" />
                </td>

                 <td>
                    <input type="button" value="8" />
                </td>

                 <td>
                    <input type="button" value="9" />
                </td>

                 <td>
                    <input type="button" value="*" />
                </td>
            </tr>
            <tr class="row5">
                <td colspan="2">
                    <input type="button" value="0" />
                </td>

                <td>
                    <input type="button" value="." />
                </td>
                <td>
                    <input type="button" value="/" />
                </td>
            </tr>
        </table>
    </form>
</body>
</html>
